diff --git a/iris/program_logic/weakestpre.v b/iris/program_logic/weakestpre.v
index ea4b589ed68ace120b5445765bb8d97bd092a5c2..a8e7b420da3e423d57c090888c93f7d3ecb3b067 100644
--- a/iris/program_logic/weakestpre.v
+++ b/iris/program_logic/weakestpre.v
@@ -52,7 +52,7 @@ Definition wp_pre `{!irisG Λ Σ} (s : stuckness)
 
 Local Instance wp_pre_contractive `{!irisG Λ Σ} s : Contractive (wp_pre s).
 Proof.
-  rewrite /wp_pre /==> n wp wp' Hwp E e1 Φ.
+  rewrite /wp_pre /= => n wp wp' Hwp E e1 Φ.
   repeat (f_contractive || f_equiv); apply Hwp.
 Qed.